}
template <class P, class Q>
-void dcp::start (PictureAssetWriter* writer, shared_ptr<P> state, Standard standard, Q* asset, uint8_t* data, int size)
+void dcp::start (PictureAssetWriter* writer, shared_ptr<P> state, Standard standard, Q* asset, uint8_t const * data, int size)
{
asset->set_file (writer->_file);